diff --git a/libwebp-api/build.gradle b/libwebp-api/build.gradle
index c56f96c..92d8ceb 100644
--- a/libwebp-api/build.gradle
+++ b/libwebp-api/build.gradle
@@ -12,7 +12,7 @@ repositories {
 }
 
 dependencies {
-    testImplementation(testFixturesApi(platform('org.junit:junit-bom:5.13.3')))
+    testImplementation(testFixturesApi(platform('org.junit:junit-bom:5.13.4')))
     testImplementation(testFixturesApi('org.junit.jupiter:junit-jupiter'))
     testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
 
diff --git a/libwebp-foreign-jdk21/build.gradle b/libwebp-foreign-jdk21/build.gradle
index 1260679..9fcee50 100644
--- a/libwebp-foreign-jdk21/build.gradle
+++ b/libwebp-foreign-jdk21/build.gradle
@@ -11,7 +11,7 @@ repositories {
 }
 
 dependencies {
-    testImplementation platform('org.junit:junit-bom:5.13.3')
+    testImplementation platform('org.junit:junit-bom:5.13.4')
     testImplementation 'org.junit.jupiter:junit-jupiter'
     testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
 
diff --git a/libwebp-jna/build.gradle b/libwebp-jna/build.gradle
index 574ca15..f09fd01 100644
--- a/libwebp-jna/build.gradle
+++ b/libwebp-jna/build.gradle
@@ -11,7 +11,7 @@ repositories {
 }
 
 dependencies {
-    testImplementation platform('org.junit:junit-bom:5.13.3')
+    testImplementation platform('org.junit:junit-bom:5.13.4')
     testImplementation 'org.junit.jupiter:junit-jupiter'
     testImplementation testFixtures(project(path: ':libwebp-api'))
     testRuntimeOnly 'org.junit.platform:junit-platform-launcher'